1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/chromeos/cros/speech_synthesis_library.h" 6 7 #include "base/message_loop.h" 8 #include "chrome/browser/chromeos/cros/cros_library.h" 9 #include "third_party/cros/chromeos_speech_synthesis.h" 10 11 namespace chromeos { 12 13 // TODO(chaitanyag): rename to "locale" after making equivalent change in 14 // Chrome OS code. 15 const char SpeechSynthesisLibrary::kSpeechPropertyLocale[] = "name"; 16 17 const char SpeechSynthesisLibrary::kSpeechPropertyGender[] = "gender"; 18 const char SpeechSynthesisLibrary::kSpeechPropertyRate[] = "rate"; 19 const char SpeechSynthesisLibrary::kSpeechPropertyPitch[] = "pitch"; 20 const char SpeechSynthesisLibrary::kSpeechPropertyVolume[] = "volume"; 21 const char SpeechSynthesisLibrary::kSpeechPropertyEquals[] = "="; 22 const char SpeechSynthesisLibrary::kSpeechPropertyDelimiter[] = ";"; 23 24 class SpeechSynthesisLibraryImpl : public SpeechSynthesisLibrary { 25 public: SpeechSynthesisLibraryImpl()26 SpeechSynthesisLibraryImpl() {} ~SpeechSynthesisLibraryImpl()27 virtual ~SpeechSynthesisLibraryImpl() {} 28 Speak(const char * text)29 bool Speak(const char* text) { 30 return chromeos::Speak(text); 31 } 32 SetSpeakProperties(const char * props)33 bool SetSpeakProperties(const char* props) { 34 return chromeos::SetSpeakProperties(props); 35 } 36 StopSpeaking()37 bool StopSpeaking() { 38 return chromeos::StopSpeaking(); 39 } 40 IsSpeaking()41 bool IsSpeaking() { 42 return chromeos::IsSpeaking(); 43 } 44 InitTts(InitStatusCallback callback)45 void InitTts(InitStatusCallback callback) { 46 chromeos::InitTts(callback); 47 } 48 49 private: 50 DISALLOW_COPY_AND_ASSIGN(SpeechSynthesisLibraryImpl); 51 }; 52 53 class SpeechSynthesisLibraryStubImpl : public SpeechSynthesisLibrary { 54 public: SpeechSynthesisLibraryStubImpl()55 SpeechSynthesisLibraryStubImpl() {} ~SpeechSynthesisLibraryStubImpl()56 virtual ~SpeechSynthesisLibraryStubImpl() {} Speak(const char * text)57 bool Speak(const char* text) { return true; } SetSpeakProperties(const char * props)58 bool SetSpeakProperties(const char* props) { return true; } StopSpeaking()59 bool StopSpeaking() { return true; } IsSpeaking()60 bool IsSpeaking() { return false; } InitTts(InitStatusCallback callback)61 void InitTts(InitStatusCallback callback) {} 62 63 private: 64 DISALLOW_COPY_AND_ASSIGN(SpeechSynthesisLibraryStubImpl); 65 }; 66 67 // static GetImpl(bool stub)68SpeechSynthesisLibrary* SpeechSynthesisLibrary::GetImpl(bool stub) { 69 if (stub) 70 return new SpeechSynthesisLibraryStubImpl(); 71 else 72 return new SpeechSynthesisLibraryImpl(); 73 } 74 75 } // namespace chromeos 76